diff --git a/docs/src/UserGuide/develop/QuickStart/Interface-Definitions.md b/docs/src/UserGuide/develop/QuickStart/Interface-Definitions.md
index 8c08262c7..c59a72c8d 100644
--- a/docs/src/UserGuide/develop/QuickStart/Interface-Definitions.md
+++ b/docs/src/UserGuide/develop/QuickStart/Interface-Definitions.md
@@ -174,7 +174,7 @@ interface ITsFileReader extends AutoCloseable {
 
 ### TsFileReaderBuilder
 
-Used to construct ITsFileWriter
+Used to construct ITsFileReader
 
 ```Java
 class TsFileReaderBuilder {
diff --git a/docs/src/zh/UserGuide/develop/QuickStart/Interface-Definitions.md b/docs/src/zh/UserGuide/develop/QuickStart/Interface-Definitions.md
index 09227a9de..d4072d3ac 100644
--- a/docs/src/zh/UserGuide/develop/QuickStart/Interface-Definitions.md
+++ b/docs/src/zh/UserGuide/develop/QuickStart/Interface-Definitions.md
@@ -157,7 +157,7 @@ interface ITsFileReader extends AutoCloseable {
 
 ### TsFileReaderBuilder
 
-用于构建 ITsFileWriter
+用于构建 ITsFileReader
 
 ```Java
 class TsFileReaderBuilder {
@@ -170,7 +170,7 @@ class TsFileReaderBuilder {
 
 ### ResultSet
 
-用于构建 ITsFileWriter
+查询的结果集
 
 ```Java
 interface ResultSet extends AutoCloseable {  
@@ -199,7 +199,7 @@ interface ResultSet extends AutoCloseable {
   boolean isNull(String columnName);  
   boolean isNull(int columnIndex);  
     
-  // 关闭当前结构集
+  // 关闭当前结果集
   void close();
     
   // 获取结果集的表头